Save money on ammo by converting your .40 S&W or .357 SIG into a 9mm by simply switching barrels with the StormLake .40 S&W or 357 SIG to 9mm Match Conversion Barrel. StormLake barrels are match grade and are hardened to 40-42 HRC.

Features and Specifications:
Manufacturer Number: SW-MP-9MMC-425
Machined from certified 416R stainless
Broach rifled to shoot jacketed or lead bullets
All barrels are chambered for full case support
All barrels are drop in and will only occasionally require a gunsmith to fit

"Drop in barrel worked great. Ran 100 rounds through it with no problems. Great addition to my M&P. makes shooting it a lot cheaper. Would highly recommend it to anyone ."

2014-02-17 00:00

– JT

5.05

"Barrel dropped in easy without any need for fitting, and functioned perfectly. Buy this barrel to add the versatility of training and competing with less expensive and lighter recoil 9mm while keeping the threat stopping power of 40S&W for defense. You will need to buy 9mm magazines..."